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Transcription and Regulation

Transcription and Regulation
Transcription factors are

CATT boxes
proteins which bind to DNA and regulate transcription
promoters
TATA boxes

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Transcription and Regulation
In eukaryotes, there are three different RNA polymerases. The RNA polymerase responsible for transcription of mRNA is

RNA polymerase I
RNA polymerase II
RNA polymerase III
none of these

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Transcription and Regulation
Upstream regions which are essential for correct transcription are called

enhancers
transcription factors
start codons
promoters

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Transcription and Regulation
Transcription results in

complementary DNA
messenger RNA
an amino acid chain
Okazaki fragments

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Transcription and Regulation
In prokaryotes, transcription is

terminated by the stop codon
terminated by a start codon
terminated by a protein called rho
terminated by a poly A sequence

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Transcription and Regulation
The binding of lac repressor to DNA could be considered to be analogous to

allosteric effects in enzyme regulation
uncompetitive inhibition of an enzyme
competitive inhibition of an enzyme
mixed-type inhibition of an enzyme

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